Milter-greylist

Emmanuel Dreyfus wrote:
> On Wed, Oct 12, 2005 at 04:09:40PM -0400, Matt Kettler wrote:
> 
>>>Seriously, 2 GB seems really huge to me. I'd be curious to learn how many
>>>message per day flow through this machine.
>>
>>I'd guess quite a lot of messages. abo.fi is a university and Fredrik appears to
>>be one of their IT staff. and "The University has nearly 8000 students".
> 
> 
> Well, if mail with inexistant recipient is not accepted, the amount of 
> messages seen by milter-greylist should be reasonnable. 

Yes, but that's not how milter-greylist works.. at least, not on my system.

For me, the greylist check happens before the recipient is validated, thus I
constantly see greylisting going on for nonexistent users:

For example:

Oct 12 17:00:52 xanadu milter-greylist: j9CL0p9O020818: addr 203.42.55.196 from
<> to <loiterer@...> delayed for 00:01:00

loiterer is not a valid user here.. If the dictionary attacker tries the same
user again it will then be told the user is unknown.